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Hydraulic Piping Flushing Requirements

Feb 28, 2022

Hydraulic piping flushing requirements


Before pipeline installation and construction, the pipeline should be pickled to remove oxides and impurities.


After construction, pickling, degreasing, passivation and neutralization of the entire pipeline can be carried out according to the site. Conditions are carried out offline and online. In general, new pump source and online circulation are adopted. Use four-in-one cleaning solution for pipeline cleaning.


Pipeline flushing should be carried out continuously by means of online circulation.


In general 24h then start checking the tube, Orifice flushing quality, flushing fluid flow rate should

≥1.5 m/s.


After the pipeline treatment is completed, the pipeline is circulated and flushed to completely remove the debris in the pipe.


To facilitate construction, the off-site circulation flushing method is usually adopted. Can also be based on the actual situation after the two kinds of flushing. The washing method is mixed to improve the washing effect and shorten the washing cycle


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